Citation: Gb. Chheda et al., ISOLATION AND CHARACTERIZATION OF AN UNUSUAL NUCLEOSIDE, 1-ALPHA-D-RIBOFURANOSYL-4-PYRIDONE-3-CARBOXAMIDE, FROM THE URINES OF NORMAL HUMAN INDIVIDUALS AND LEUKEMIC PATIENTS, Nucleosides & nucleotides, 14(7), 1995, pp. 1519-1537